hello!
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<head>
<meta charset="utf-8">
<title>龚俊文个人成长站(runoob.com)</title>
</head>
<body>

<h1>我的世界</h1>

<p>就是一念一世界</p>
<h1>龚俊文</h1>

</body>
</html>




<body>
拥有了自己的第一个网站
</body>
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<html>	
<head>
<meta charset="utf-8"> 
<title>菜鸟教程(runoob.com)</title> 
<style> 
div
{
	width:100px;
	height:75px;
	background-color:red;
	border:1px solid black;
}
div#div2
{
	transform:rotate(30deg);
	-ms-transform:rotate(30deg); /* IE 9 */
	-webkit-transform:rotate(30deg); /* Safari and Chrome */
}
</style>
</head>
<body>

<div>你好。这是一个 DIV 元素。</div>

<div id="div2">你好。这是一个 DIV 元素。</div>

</body>
</html>
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>菜鸟教程(runoob.com)</title>
<script>
function displayDate(){
	document.getElementById("demo").innerHTML=Date();
}
</script>
</head>
<body>

<h1>我的第一个 JavaScript 程序</h1>
<p id="demo">这是一个段落</p>

<button type="button" onclick="displayDate()">显示日期</button>

</body>
</html>

<!DOCTYPE html>
<html>
<head>
  <title>Foundation 实例</title>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <link rel="stylesheet" href="https://cdn.bootcss.com/foundation/5.5.3/css/foundation.min.css">
  <script src="https://cdn.bootcss.com/jquery/2.1.1/jquery.min.js"></script>
  <script src="https://cdn.bootcss.com/foundation/5.5.3/js/foundation.min.js"></script>
  <script src="https://cdn.bootcss.com/foundation/5.5.3/js/vendor/modernizr.js"></script>
</head>
<body>
 
<div class="row">
  <div class="medium-12 columns">
    <div class="panel">
      <h1>Foundation 页面</h1>
      <p>重置窗口大小，查看效果！</p>
      <button type="button" class="button small">我是按钮!</button>
    </div>
  </div>
</div>

<div class="row">
  <div class="medium-4 columns">
    <h3>菜鸟教程</h3>
    <p>学的不仅是技术，更是梦想！！！</p>
  </div>
  <div class="medium-4 columns">
    <h3>菜鸟教程</h3>
    <p>学的不仅是技术，更是梦想！！！</p>
  </div>
  <div class="medium-4 columns">
    <h3>菜鸟教程</h3>
    <p>学的不仅是技术，更是梦想！！！</p>
  </div>
</div>
</body>
</html>